Classification is a continually evolving scientific effort to group organisms based on knowledge gathered from different fields, and helps to define the relationships among organisms and between organisms and their environments.

What is classification and types?

A classification is a division or category in a system which divides things into groups or types. Its tariffs cater for four basic classifications of customer. [ + of] 2. See also classify.

What is classification category?

1 : the act or process of classifying. 2a : systematic arrangement in groups or categories according to established criteria specifically : taxonomy. b : class, category.